GCSE Biology – Aseptic techniques
Learning Objectives
-I can describe how to use a light microscope to observe microorganisms
-I can describe and explain the aseptic techniques used in culturing microorganisms
-I can calculate cross sectional areas of cultures and clear areas
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- Current
- Review
- Answered
-
1. Question
How do bacterial cells divide?
-
2. Question
How often can bacterial cells multiply?
-
3. Question
After one binary fission, how many cells are there?
-
4. Question
Which factor affects rate of bacterial growth?
-
5. Question
Which factor affects rate of bacterial growth?
-
6. Question
How can bacteria be grown in a lab?
-
7. Question
How can bacteria be grown in a lab?
-
8. Question
What must our bacterial cultures be for an accurate experiment?
-
9. Question
What is the name of the culture dish?
-
10. Question
How do we sterilise the petri dish?
-
11. Question
What do we call the loop we transfer bacteria with?
-
12. Question
How do we sterilise the inoculating loop?
-
13. Question
What does the control disc do?
-
14. Question
What do we do with the other discs?
-
15. Question
Why do we not fully seal the petri dish?
-
16. Question
Why do we store the petri dish upside down?
-
17. Question
What temperature do we incubate the dishes at?
-
18. Question
Why do we incubate at this temperature?
-
19. Question
Why might laboratories incubate bacteria at a higher temperature?
-
20. Question
Which antiseptic is the best?
-
21. Question
How do we calculate the area of the zone of inhibition?
-
22. Question
What is the zone of inhibition?
-
23. Question
What would happen if we incubated at 200 °C?
-
24. Question
How could we improve the investigation?
-
25. Question
What type of microscope is used?